Arctic lemming vs Ajeru

Dicrostonyx torquatus compared with Aetobatus narinari

Key Differences

• Arctic lemming is Least Concern while Ajeru is Near Threatened.

Taxonomic Classification

Rank	Arctic lemming	Ajeru
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Rodentia (Roedores)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Myliobatidae
Genus	Dicrostonyx	Aetobatus
Species	Dicrostonyx torquatus	Aetobatus narinari

Evolutionary Relationship

Arctic lemming and Ajeru share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Arctic lemming

LC — Least Concern

Ajeru

NT — Near Threatened

Physical Characteristics

Attribute	Arctic lemming	Ajeru
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ajeru

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Taiwan, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Ajeru

The Bishop ray (Aetobatus narinari) is a species in the genus Aetobatus. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and South America, inhabiting ecosystems characteristic of the region.